It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 507 489 is not a prime number.
For example, 507 489 can be divided by 3: 507 489 / 3 = 169 163.
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For 507 489 to be a prime number, it would have been required that 507 489 has only two divisors, i.e., itself and 1.
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507 489 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 507 489 is about 712.383.
Thus, the square root of 507 489 is not an integer, and therefore 507 489 is not a square number.
The square of a number (here 507 489) is the result of the product of this number (507 489) by itself (i.e., 507 489 × 507 489); the square of 507 489 is sometimes called "raising 507 489 to the power 2", or "507 489 squared".
The square of 507 489 is 257 545 085 121 because 507 489 × 507 489 = 507 4892 = 257 545 085 121.
As a consequence, 507 489 is the square root of 257 545 085 121.
The multiples of 507 489 are all integers evenly divisible by 507 489, that is all numbers such that the remainder of the division by 507 489 is zero. There are infinitely many multiples of 507 489. The smallest multiples of 507 489 are: